Java Properties Load from File loadConfigProperties()

Description

reads values from config property file

License

Open Source License

Return

return properties

Declaration

public static Properties loadConfigProperties() 

Method Source Code

//package com.java2s;
/*//from  w  w w. ja v  a 2s  .c  o m
*  Copyright (c) WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
*  WSO2 Inc. licenses this file to you under the Apache License,
*  Version 2.0 (the "License"); you may not use this file except
*  in compliance with the License.
*  You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/

import java.io.*;

import java.util.Properties;

public class Main {
    /**
     * reads values from config property file
     * @return return properties
     */
    public static Properties loadConfigProperties() {

        Properties properties = new Properties();
        InputStream inputStream = null;
        try {
            File file = new File((new File(".")).getCanonicalPath() + File.separator + "src" + File.separator
                    + "main" + File.separator + "resources" + File.separator + "config.properties");
            if (file.exists()) {
                inputStream = new FileInputStream(file);
            } else {
                System.err.println("File does not exist : " + "config.properties");
            }
        } catch (FileNotFoundException e) {
            System.err.println("File can not be found : " + "config.properties");
            e.printStackTrace();
        } catch (IOException e) {
            System.err.println("Can not create the canonical file path for given file : " + "config.properties");
            e.printStackTrace();
        }

        try {
            if (inputStream != null) {
                properties.load(inputStream);
            }
        } catch (IOException e) {
            System.err.println("Error loading properties from config.properties file");
            e.printStackTrace();
        } finally {
            try {
                if (inputStream != null) {
                    inputStream.close();
                }
            } catch (IOException ignored) {
                System.err.println("Error while closing input stream");
            }
        }

        if (properties.isEmpty()) {
            System.out.println("No configurations are loaded.  Using default configurations");
        }
        return properties;
    }
}

Related

1. loadApiProperties(InputStream inputStream)
2. loadBuildProperties(File projectRootDir)
3. loadCfg(String url)
4. loadConfig(File settingsFile)
5. loadConfigByPath(String path)
6. loadConfigProperties()
7. loadConfiguration()
8. loadConfiguration(String file)
9. loadConfiguration(String filePath)